Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11720054 | Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Shigeo Miyabe, Masanari Morioka, Masato Hisano | 2023-08-08 |
| 11675308 | Electrophotographic image forming apparatus, developing apparatus, and coupling member | Masanari Morioka, Shigeo Miyabe | 2023-06-13 |
| 11619908 | Cartridge | Akinobu Hirayama, Toshiaki Takeuchi | 2023-04-04 |